docs: def get_top_tags(self, limit=None):
          """Returns a list of the most frequently used Tags on this object."""
  
          doc = self._request(self.ws_prefix + ".getTopTags", True)
  
          elements = doc.getElementsByTagName("tag")
          seq = []
  
          for element in elements:
              tag_name = _extract(element, "name")
              tagcount = _extract(element, "count")
  
              seq.append(TopItem(Tag(tag_name, self.network), tagcount))
  
          if limit:
              seq = seq[:limit]
  
          return seq